Stephanie O’Sullivan, formerly principal deputy director and chief operating officer at the Office of the Director of National Intelligence, has

Cleophus Thomas, a retired U.S. Army colonel, has joined Ernst & Young as a senior manager for the defense and

Nicolas Chaillan, formerly special adviser for cybersecurity and chief architect at the Department of Homeland Security, has joined Qualys (Nasdaq:

Manoj Leelanivas, formerly president and CEO at Cyphort, has returned to Juniper Networks (NYSE: JNPR) as executive vice president and chief product officer. Juniper said

Deb Alderson, formerly CEO of Sotera Defense Solutions, has been appointed to a similar role at Reston, Virginia-based correctional technology provider GTL effective

Alex Liu, a partner of A.T. Kearney over the past 22 years, has been elected to serve as managing partner and

John Pereira, intelligence industry leader for defense and intelligence at IBM‘s (NYSE: IBM)  global business services unit, has been named

Suzanne Liscouski, former vice president of federal civilian agencies and client executive at NCI, has joined information technology reseller Govplace

Michael King, formerly vice president of business development at Northrop Grumman™s (NYSE: NOC) cyber and intelligence mission solutions division, has

Jeanne Callahan and David œChip Wasson, both formerly directors at Huntington Ingalls Industries (NYSE: HII), have been promoted to corporate vice